20713616

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:109

約数の個数: 160

約数和(自身を含む): 56567808

約数和(自身を除く): 35854192

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 17, 22, 23, 28, 34, 43, 44, 46, 56, 68, 77, 86, 88, 92, 112, 119, 136, 154, 161, 172, 176, 184, 187, 238, 253, 272, 301, 308, 322, 344, 368, 374, 391, 473, 476, 506, 602, 616, 644, 688, 731, 748, 782, 946, 952, 989, 1012, 1204, 1232, 1288, 1309, 1462, 1496, 1564, 1771, 1892, 1904, 1978, 2024, 2408, 2576, 2618, 2737, 2924, 2992, 3128, 3311, 3542, 3784, 3956, 4048, 4301, 4816, 5117, 5236, 5474, 5848, 6256, 6622, 6923, 7084, 7568, 7912, 8041, 8602, 10234, 10472, 10879, 10948, 11696, 13244, 13846, 14168, 15824, 16082, 16813, 17204, 20468, 20944, 21758, 21896, 26488, 27692, 28336, 30107, 32164, 33626, 34408, 40936, 43516, 43792, 52976, 55384, 56287, 60214, 64328, 67252, 68816, 76153, 81872, 87032, 110768, 112574, 117691, 120428, 128656, 134504, 152306, 174064, 184943, 225148, 235382, 240856, 269008, 304612, 369886, 450296, 470764, 481712, 609224, 739772, 900592, 941528, 1218448, 1294601, 1479544, 1883056, 2589202, 2959088, 5178404, 10356808, 20713616]

約数ペア:

[(1, 20713616), (2, 10356808), (4, 5178404), (7, 2959088), (8, 2589202), (11, 1883056), (14, 1479544), (16, 1294601), (17, 1218448), (22, 941528), (23, 900592), (28, 739772), (34, 609224), (43, 481712), (44, 470764), (46, 450296), (56, 369886), (68, 304612), (77, 269008), (86, 240856), (88, 235382), (92, 225148), (112, 184943), (119, 174064), (136, 152306), (154, 134504), (161, 128656), (172, 120428), (176, 117691), (184, 112574), (187, 110768), (238, 87032), (253, 81872), (272, 76153), (301, 68816), (308, 67252), (322, 64328), (344, 60214), (368, 56287), (374, 55384), (391, 52976), (473, 43792), (476, 43516), (506, 40936), (602, 34408), (616, 33626), (644, 32164), (688, 30107), (731, 28336), (748, 27692), (782, 26488), (946, 21896), (952, 21758), (989, 20944), (1012, 20468), (1204, 17204), (1232, 16813), (1288, 16082), (1309, 15824), (1462, 14168), (1496, 13846), (1564, 13244), (1771, 11696), (1892, 10948), (1904, 10879), (1978, 10472), (2024, 10234), (2408, 8602), (2576, 8041), (2618, 7912), (2737, 7568), (2924, 7084), (2992, 6923), (3128, 6622), (3311, 6256), (3542, 5848), (3784, 5474), (3956, 5236), (4048, 5117), (4301, 4816)]